Some PEP8 stylings.
Some PEP8 stylings.

Carralex/landlab,RondaStrauch/landlab,SiccarPoint/landlab,csherwood-usgs/landlab,Carralex/landlab,amandersillinois/landlab,Carralex/landlab,laijingtao/landlab,landlab/landlab,csherwood-usgs/landlab,RondaStrauch/landlab,RondaStrauch/landlab,landlab/landlab,ManuSchmi88/landlab,landlab/landlab,cmshobe/landlab,cmshobe/landlab,cmshobe/landlab,laijingtao/landlab,ManuSchmi88/landlab,amandersillinois/landlab,SiccarPoint/landlab,ManuSchmi88/landlab